Put back the palm rest assembly.

Then put the computer battery back within the computer.

Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

Turn on the computer. As the computer boots, it detects the memory and automatically updates the system configuration information.To confirm the amount of memory installed in the computer, Click Start ®Control Panel®System and Security®System.